CORODUR® SP 223
Flux cored wires for Thermal Spray Application
EN ISO 14919 – 6 – 1,6 - 4
MATERIAL REVIEW
Good resistance against Sulfur corrosion and oxidation, e.g. in boiler environment. Coatings made by CORODUR SP 223 can be loaded up to 800°C. Coatings have high bond strength. Designed for arc spraying but may also be sprayed by wire- and high-velocity-wire-flame-spraying.
APPLICATION
Application as bond coat and top coat. Coatings on water walls, boiler tubes and super heater tubes in coal fired plants and black liquor boilers.
COMPOSITION (Weight-%)
Ni | Cr |
Bal. | 50 |
Physical Properties of the coating
Hardness: 250 – 280 HV0,1
Melting point: ca. 1480 °C
Density: 5,9 g/dm3
Spray rate: 5 kg/h / 100 A
Wire consumption 1,0 kg/m2 / 0,1 mm
SPRAY PROCEDURE (Arc)
Atomizing Air Pressure | Nozzle Cap |
Arc Load Volt | Ampere |
Stand off mm | Coating thickness / pass mm / pass |
Deposit Efficiency % |
|
Standard 1,6 | 3,5 bar | 27-29 | 300-350 | 150-170 | 0,125 | 80% |
SALES UNIT
Coil | "BS 300" = 15 kg | "BS 450" = 25 kg | Other dimensions on request |
Wire Diameter | 1,6 mm (1/16") | 2,4 mm |